namespace Lucene.Net.Search
{
    using Lucene.Net.Util; // javadocs only

    /*
         * Licensed to the Apache Software Foundation (ASF) under one or more
         * contributor license agreements.  See the NOTICE file distributed with
         * this work for additional information regarding copyright ownership.
         * The ASF licenses this file to You under the Apache License, Version 2.0
         * (the "License"); you may not use this file except in compliance with
         * the License.  You may obtain a copy of the License at
         *
         *     http://www.apache.org/licenses/LICENSE-2.0
         *
         * Unless required by applicable law or agreed to in writing, software
         * distributed under the License is distributed on an "AS IS" BASIS,
         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
         * See the License for the specific language governing permissions and
         * limitations under the License.
         */

    // javadocs only
    using BytesRef = Lucene.Net.Util.BytesRef;

    /// <summary>
    /// Add this <seealso cref="Attribute"/> to a fresh <seealso cref="AttributeSource"/> before calling
    /// <seealso cref="MultiTermQuery#getTermsEnum(Terms,AttributeSource)"/>.
    /// <seealso cref="FuzzyQuery"/> is using this to control its internal behaviour
    /// to only return competitive terms.
    /// <p><b>Please note:</b> this attribute is intended to be added by the <seealso cref="MultiTermQuery.RewriteMethod"/>
    /// to an empty <seealso cref="AttributeSource"/> that is shared for all segments
    /// during query rewrite. this attribute source is passed to all segment enums
    /// on <seealso cref="MultiTermQuery#getTermsEnum(Terms,AttributeSource)"/>.
    /// <seealso cref="TopTermsRewrite"/> uses this attribute to
    /// inform all enums about the current boost, that is not competitive.
    /// @lucene.internal
    /// </summary>
    public interface IMaxNonCompetitiveBoostAttribute : IAttribute
    {
        /// <summary>
        /// this is the maximum boost that would not be competitive. </summary>
        float MaxNonCompetitiveBoost { set; get; }

        /// <summary>
        /// this is the term or <code>null</code> of the term that triggered the boost change. </summary>
        BytesRef CompetitiveTerm { set; get; }
    }
}